triangulation

noun

• 1(in surveying) the tracing and measurement of a series or network of triangles in order to determine the distances and relative positions of points spread over an area, especially by measuring the length of one side of each triangle and deducing its angles and the length of the other two sides by observation from this baseline: the triangulation of Great Britain

• 2formation of or division into triangles.

• 3chiefly US (in politics) the action or process of positioning oneself in such a way as to appeal to or appease both left-wing and right-wing standpoints.